Front portion of a coordinate input device



FIG. 1 is a front elevation view of a coordinate input device showing our new design;

FIG. 2 is a rear elevation view of the coordinate input device shown in FIG. 1;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in FIGS. 1-6 illustrate environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a coordinate input device, as shown and described. 